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The original was posted on /r/homeassistant by /u/akanatrix on 2026-06-23 18:54:16+00:00.
I would say I have a medium size deployment of Home Assistant. I have eight Thread devices, 55 Zigbee devices, and a smattering of Wi-Fi devices. I also have a medium size deployment of UniFi devices, with three access points in my house and one of them is directly next to my dongles for Zigbee and Thread. Now that I have the groundwork laid, I am an idiot. I have been having issues with mostly Zigbee and a little bit for Thread. Devices would be slow to activate when triggered, remotes would not work or be very delayed, over-the-air updates would fail 99% of the time, devices would fall off network, reliability was terrible. I was met with a constant disapproval of my wife over my smart home automation hobby.
My salvation came from realizing that my Zigbee setup defaulted to channel 11. Several months ago I changed my Wi-Fi channel to 1 as that part of the spectrum was not occupied by my neighbors. My UniFi access points have been strangling my devices in a death grip for several months. Once I changed the zigbee channel away from that end of the spectrum, all my issues went away. Everything responds instantly, updates are seamless, everything just works. Aqara, IKEA, Philips, doesn't matter what the brand is; it just works. My wife's disapproval is limited to me telling her to not flip wall switches.
Don't be like me, make sure you don't have radio overlap. Ted Talk over.